// 模版字符串

// 可支持换行
// const str = 'hello es2015, this is a string'
// const str = `hello es2015, 
// this is a \'string\'`
// console.log(str)  


// 支持差值表达式
const name = 'husky'
const msg = `hello, ${name} --- ${3+10}`
console.log(msg)